| Acronym | Meaning |
| ORV | Optical Retardation Velocity |
| SIPOS | Semi-insulating Polycrystalline Silicon |
| RFA | RCRA Facility Assessment |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| HEATRT | Heat Rate [EPRI Software] |
| VFF | Valence Force Field (in Electronic-structure Calcns.) |
| BOP | Basic-O Process |
| MOFT | Minimum Oil Film Thickness |
| PWSA | Ports And Waterways Safety Act |
| DCP | Dual Circular Polarization |